[gradsusr] How does grads plot a point within a grid

[thibidottwo]

Hi All,
An elementary question that I cannot find an answer to in the users manual (I am sure I am just not reading it right). If I plot a variable at a particular point that falls somewhere in between the grid points of the file I am ingesting, does my output reflect the nearest neighbor model grid point data or is it interpolated between the four surrounding grid points?
Thanks,
Theo
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